Set grid color for module editor and viewer (closes #1167884)

Also removed EDA_DRAW_FRAME::OnGrid which was totally dead (empty and unused)

common/drawframe.cpp

@@ -489,11 +489,6 @@ void EDA_DRAW_FRAME::SetToolID( int aId, int aCursor, const wxString& aToolMsg )
 }
 
 
-void EDA_DRAW_FRAME::OnGrid( int grid_type )
-{
-}
-
-
 wxPoint EDA_DRAW_FRAME::GetGridPosition( const wxPoint& aPosition ) const
 {
     wxPoint pos = aPosition;

include/wxstruct.h

@@ -665,7 +665,6 @@ public:
     void OnEraseBackground( wxEraseEvent& SizeEvent );
 
     virtual void OnZoom( wxCommandEvent& event );
-    void OnGrid( int grid_type );
 
     /**
      * Function RedrawScreen

pcbnew/modedit.cpp

@@ -30,6 +30,7 @@
 #include <wildcards_and_files_ext.h>
 #include <menus_helpers.h>
 #include <footprint_wizard_frame.h>
+#include <pcbnew_config.h>
 
 
 // Functions defined in block_module_editor, but used here
@@ -877,3 +878,9 @@ void FOOTPRINT_EDIT_FRAME::OnVerticalToolbar( wxCommandEvent& aEvent )
         SetToolID( ID_NO_TOOL_SELECTED, m_canvas->GetDefaultCursor(), wxEmptyString );
     }
 }
+
+EDA_COLOR_T FOOTPRINT_EDIT_FRAME::GetGridColor() const
+{
+    return g_ColorsSettings.GetItemColor( GRID_VISIBLE );
+}
+

pcbnew/module_editor_frame.h

@@ -375,6 +375,8 @@ public:
 
     void Select_Active_Library();
 
+    virtual EDA_COLOR_T GetGridColor( void ) const;
+
     DECLARE_EVENT_TABLE()
 
 protected:

pcbnew/modview_frame.cpp

@@ -45,6 +45,7 @@
 
 #include <hotkeys.h>
 #include <wildcards_and_files_ext.h>
+#include <pcbnew_config.h>
 
 
 /**
@@ -697,3 +698,9 @@ void FOOTPRINT_VIEWER_FRAME::Update3D_Frame( bool aForceReloadFootprint )
             m_Draw3DFrame->NewDisplay();
     }
 }
+
+EDA_COLOR_T FOOTPRINT_VIEWER_FRAME::GetGridColor() const
+{
+    return g_ColorsSettings.GetItemColor( GRID_VISIBLE );
+}
+

pcbnew/modview_frame.h

@@ -86,6 +86,7 @@ public:
     wxString& GetSelectedFootprint( void ) const { return m_selectedFootprintName; }
     const wxString GetSelectedLibraryFullName( void );
 
+    virtual EDA_COLOR_T GetGridColor( void ) const;
 private:
 
     void OnSize( wxSizeEvent& event );